This ensures that the experimenter can be certain that the variable they are testing is what causes a pattern in the data if there is a pattern.
Answer – C (Preventing human development)
National parks are mainly established by national governments for conservation purposes, particularly the conservation of 'wild life' for future generations and as an emblem of national pride. National parks reduce the human impact on land by preventing human development.
Cytoplasm - everything inside the cell excluding the nucleus
<span>Cytosol - the fluid that organelles float in inside the cell </span>
<span>Without cytoplasm, all there is in the cell is the nucleus, so the cell can't perform maintenance or make energy, or function at all. </span>
<span>Without cytosol, there would be no medium in the cell for the organelles and solutes to move through. The cell wouldn't be able to move any of its components to where they needed to go to maintain its survival and perform any functions.
I hope my answer helped you.</span>
Answer:
cell
tissue
organ
organsystem
organism
population
communities
ecosystem
biosphere
Explanation:
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